[simpits-tech] Gun Sight update

[Craig Rochester]

Have you tried searching the patent offices?  I've found a lot of useful
information on optics here: http://www.uspto.gov/patft/index.html You have
to download a "plug-in" to view the drawings.

Craig R.

-----Original Message-----
From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org]On Behalf Of Matt Bailey
Sent: Friday, January 17, 2003 11:52 PM
To: simpits-tech@simpits.org
Subject: Re: [simpits-tech] Gun Sight update


How did it work in real life?

	-Matt Bailey

On Fri, 2003-01-17 at 20:49, Keenan Akin wrote:
> Just received my gun sight reflector glass from Surplus Shed.  Looks
> very nice.  However, when I tried it out, I had the same problem as with
> the plexiglas (double image).  Initially disappointed, I experimented
> around with various lenses and such and I think I may have stumbled upon
> something.  When I hold the reflector about 20 inches away from the
> reticle source and hold a fresnel lens (the cheap plastic type used for
> reading small type), the double image seems to go away.  Of course, the
> reticle image is way too big at this point.  So, my next step is to make
> a very small reticle.  This should allow me to place the lens and the
> reflector in their appropriate location and produce the correct size
> reticle reflection.  Stay tuned for developments.
>
> Keenan

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Thanks!